CN101523684B - Snap in high power, high current connector with integrated emi filtering - Google Patents

Snap in high power, high current connector with integrated emi filtering Download PDF

Info

Publication number
CN101523684B
CN101523684B CN2006800401956A CN200680040195A CN101523684B CN 101523684 B CN101523684 B CN 101523684B CN 2006800401956 A CN2006800401956 A CN 2006800401956A CN 200680040195 A CN200680040195 A CN 200680040195A CN 101523684 B CN101523684 B CN 101523684B
Authority
CN
China
Prior art keywords
bus
input
connecting pin
filter assemblies
framework
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2006800401956A
Other languages
Chinese (zh)
Other versions
CN101523684A (en
Inventor
M·科里奇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GM Global Technology Operations LLC
Original Assignee
GM Global Technology Operations LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GM Global Technology Operations LLC filed Critical GM Global Technology Operations LLC
Publication of CN101523684A publication Critical patent/CN101523684A/en
Application granted granted Critical
Publication of CN101523684B publication Critical patent/CN101523684B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/719—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member

Landscapes

  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Inverter Devices (AREA)
  • Power Conversion In General (AREA)

Abstract

The present invention provides a filter assembly which includes a Faraday cage interface. Electrical noise is filtered by the Faraday cage interface. The Faraday cage interface is configured to prevent passage of electromagnetic waves.

Description

Be integrated with high-power, the high current connector of buckle-type of EMI filtering function
Technical field
The present invention is broadly directed to electric motors, more specifically to the connector that is used for inverter (inverter) module.
Background of invention
Electronic and motor vehicle driven by mixed power generally include by direct current (DC) power supply, the battery-driven interchange (AC) motor for example.Alternating current motor has the relatively large power that is typically about tens myriawatts.The motor winding of alternating current motor can be connected on the inverter module, and it converts direct current power to the AC power that drives alternating current motor.
Fig. 1 is the sketch of traditional inverter system.This system comprises inverter module 20 and interconnection system 35.Interconnection system 35 comprises electromagnetic interference (EMI) iron core 30 and EMI filter 25.
Inverter module 20 is connected on the interconnection system 35 through a pair of bus (bus bar) 32.EMI iron core (core) 30 is positioned between the EMI filter 25, and is arranged on around the bus 32.
EMI filter 25 comprises EMI filter card 40 and pair of bolts 50,52, and it comprises positive terminal (+) bolt 50 and negative terminal (-) bolt 52 that is used to be connected on the DC power supply.EMI iron core 30 is connected on the bolt 50 through bus 32.EMI filter card 40 also through couple of conductor 34 be connected in and bus 32 between.
Inverter module 20 comprises many transistor (not shown)s.Transistor in the inverter module 20 (for example 5kHz to 20kHz) relatively quickly switches on and off.This switching can produce the electric switch noise.This electric switch noise should be comprised in the inside of inverter module 20 ideally, and should be prevented from the remainder of the system that enters into, to prevent that other electric member of vehicle is caused interference.This need reduce the EMI noise that is produced by system.
This structure needs a large amount of members, and makes comparatively costliness.EMI filter 25 has consumed useful space, because EMI filter card 40 is a kind of relatively large independently members.This structure also is easy to receive electrical noise or EMI The noise, because it uses the independent connection to bus 32 through lead 34.
Although these influences are arranged, still there is demand to the inverter system of big electric current/high-power, low EMI noise.Need be provided for reducing the technology of the EMI noise in the inverter system.Also need reduce the cost and the size of this inverter system, so that a kind of inverter system that utilizes the low-cost, compact of less parts to be provided.Also need reduce and eliminate as much as possible the quantity of needed interconnecting member between the inverter system member.In addition, also have the demand for the connected system of the low EMI noise of big electric current, this system can be used for for example bus being connected on the inverter system.Also need reduce the size of EMI filter and the quantity that is used to filter needed capacitor.From follow-up detailed description and Rights attached thereto require, in conjunction with the technical field of accompanying drawing and front and the content in the background with distinct other required characteristic and characteristic of the present invention.
Brief summary of the invention
The invention provides a kind of low noise inverter system, it comprises inverter module, bus be used for bus is connected to the connector on the inverter module.Connector comprises filter assemblies (filter assembly), and it can receive the input with noise contribution, and can filter the noise contribution of this input, to produce the input after filtering.In one embodiment, filter assemblies comprises connecting pin (connector pin) and faraday's cage interface (Faraday cage interface).Connecting pin can be connected on the bus, and can receive the input with noise contribution.Faraday's cage interface can be at least partially disposed on around connecting pin, to reduce the noise contribution that is associated with this input.
The accompanying drawing summary
The present invention will combine accompanying drawing to describe, and wherein similar label is represented similar element,
Fig. 1 is the block diagram of conventional inverter system;
Fig. 2 is the block diagram according to the inverter system of an exemplary embodiments, and it has realized being used for bus is connected to the low EMI noise connected system on the inverter module;
Fig. 3 is the sectional view of an exemplary embodiments of the EMI filter assemblies of Fig. 2; And
Fig. 4 is the perspective view of an exemplary embodiments of the EMI filter assemblies of Fig. 2.
Detailed Description Of The Invention
Below being described in detail in only is exemplary in nature, and is not intended to limit the present invention or the application or use of the invention.In addition, do not have the theory any clear and definite or hint of being showed in technical field, background, short summary or the following detailed description of intention through the front and limit the present invention.
Definition
Word used herein " typically " means " as example, illustration or illustrate ".Be described as " typically " any embodiment and be not to be considered to more more preferred or favourable here than other embodiment.All embodiment described in this detailed description are typical embodiment, and it can make those of skill in the art make or use the present invention, and the unrestricted scope of the present invention that is defined by the claims.
Word used herein " winding " refers to adopt a circle or the multiturn conductor of coil form winding.Winding can refer to be wrapped in the coil on the conductor (iron core), can produce electric energy if it moves in magnetic field.In induction alternating current (AC) motor, elementary winding is stator or the loop that is inserted in the groove of steel lamination.The secondary winding of induction alternating current (AC) motor is not winding usually, but the cast rotor assembly.
Word used herein " bus " refers to be used to connect the conductor of two or more circuit.Bus can be by conductive material, and for example copper or aluminium are processed.
Word used herein " wound-rotor motor " refers to the motor of rotor in the clear and definite magnetic pole.
Word used herein " inverter " refers to direct current (DC) power transfer is become to exchange (AC) power, common circuit or other device that also can increase voltage.For example, inverter can convert the direct current of the low-voltage that is produced by fuel cell (or other source) to high-voltage alternating power that motor uses.
Word used herein " bolt " refers to be used for fasten, connection, clamping, support or device compressed together.For example, bolt can be embodied as threaded securing member, and it has head, is designed to combine nut and is used for some fasten together.Perhaps, bolt can be the cap screw of band kayser and plain washer, or has the pan head screw of sems type spring washer.
Word used herein " Y capacitor " refers to a kind of electric and mechanical reliability of enhancing and capacitor of limited electric capacity of having.Electric and the mechanical reliability that strengthens can reduce the possibility of capacitor short-circuit.The restriction of electric capacity can reduce the electric current that flows through capacitor when applying alternating voltage, and can the energy content of capacitor be reduced to the limit value of less danger when applying direct voltage.
Word used herein " spring clip " refers to a kind of self-sustaining securing member, and it slides in the installing hole or on the flange.Spring clip is maintained by spring tension.In one embodiment, spring clip is used for storage battery is electrically connected to EMI filter card assembly, to eliminate the demand to other securing member.In this embodiment, spring clip provides low-impedance electrical connection through spring tension between the filter element on storage battery input and the EMI filter card.EMI filter card ground connection also makes the final ground connection of circuit.
Word used herein " Faraday cage " refers to that a kind of being designed to can be through being included in electromagnetic wave the inside or getting rid of electromagnetic wave from its inner space, thereby prevents the device that electromagnetic wave passes through.In one embodiment, Faraday cage can be the conduction housing that makes electrostatic field decay and shield radio wave interference.In one embodiment, Faraday cage can provide electrostatic screen, and does not influence electromagnetic wave." Faraday cage " also is called as Faraday shield cover or Faraday shield net sometimes.
In addition, based on context, the word that is used to describe the relation between the different elements is " connection " or " connection " for example, and it does not also mean that between these elements must form direct physical connection.For example, two elements can be physically, electronically, logically or with any alternate manner, be connected to each other together through one or more additional element.
General introduction
The invention provides a kind of low noise inverter system, it comprises inverter module, bus be used for bus is connected to the connector on the inverter module.Connector comprises filter assemblies, and it can receive the input with noise contribution, and can filter the noise contribution of this input, to produce the input after filtering.This is imported normally from the for example direct current input of storage battery of DC power supply, and has the EMI noise contribution.Bus can be connected on the connector, but and the input behind the receiving filtration.Inverter module can be connected on the connector through bus.Inverter module can receive the filter input signal from bus, and can produce alternating current output signal.In one embodiment, inverter module comprises framework (chassis), and bus can be connected on the framework through filter assemblies.Connector comprises inductive iron core alternatively, and it can be connected on the inverter module through bus.In one embodiment, inductive iron core is arranged on around the part of bus at least, and is connected on the filter assemblies through bus.
In one embodiment, filter assemblies comprises connecting pin and faraday's cage interface.Connecting pin can be connected on the bus, and can receive the input with noise contribution.Faraday's cage interface can be arranged on and center on connecting pin at least in part, with the noise contribution that reduces and input is associated, and reduces the noise contribution from connecting pin radiation to inverter module.In another embodiment, faraday's cage interface also comprises spring clip and filter card.Spring clip surrounds at least a portion of connecting pin at least in part, and filter card can be fixed between framework and the bus.Spring clip and filter card are arranged between bus and the framework, and bus can be connected at least a portion of framework.Filter card can comprise the circuit board that a plurality of capacitors are installed on it.In this case, spring clip is electrically coupled to connecting pin on the capacitor.
Thereby, a kind of inverter module of compactness can be provided, it comprises a kind of integrated EMI filter assemblies, this assembly comprises faraday's cage interface.Faraday's cage interface is configured to prevent electromagnetic passing through, and filters electrical noise or EMI noise.This module can be used in for example high-power big electric current is used.
Canonical system
Fig. 2 is the block diagram of inverter system, and it has realized being used for bus 32 is connected to the low EMI noise connected system 85 on the inverter module 20.Inverter module 20 is connected on the low EMI noise connected system 85 through bus 32.
Low EMI noise connected system 85 comprises EMI iron core 30 and integrated EMI filter assemblies 90.Inverter module 20 is connected on the EMI iron core 30 through bus 32.EMI iron core 30 is to be integrated on the bus 32 or to be positioned at around the bus 32, and is connected on the EMI filter assemblies 90 through bus 32.EMI iron core 30 comprises inductor, and it can be used for absorbing or filtering the electric switch noise, and therefore reduces the neurological susceptibility of other parts to the electric switch noise.EMI iron core 30 can comprise, for example, and ferrite or other similar material.
Integrated EMI filter assemblies 90 can pass through "+", "-" terminal (for example dc wire) and receive the direct current input from the storage battery (not shown).This direct current input passes to inverter module 20 through bus 32.Inverter module 20 converts the direct current input to AC signal.As present will as described in, integrated EMI filter assemblies 90 can reduce from the storage battery to the inverter module EMI noise in 20 the direct current input.
Fig. 3 is the sectional view of an exemplary embodiments of the integrated EMI filter assemblies 90 of Fig. 2.Fig. 4 is the perspective view of an exemplary embodiments of the integrated EMI filter assemblies 90 of Fig. 3, and it has the consistent similar features of label.From succinct purpose, Fig. 2 and 3 has shown single bus 32; Yet, will be appreciated that, can a plurality of buses 32 be connected on arbitrary end of integrated EMI filter assemblies 90.
Low EMI noise connected system 85 is connected on the inverter module 20 through bus 32.Low EMI noise connected system 85 comprises EMI iron core 30 and integrated EMI filter assemblies 90.
EMI iron core 30 is bonded on the buckle-type connecting pin 62 through bus 32.At least a portion that EMI iron core 30 surrounds bus 32, and bus 32 passes at least a portion of EMI iron core 30.Bus 32 can be connected in through integrated EMI filter assemblies 90 on the framework 71 of inverter system for example.
Integrated EMI filter assemblies 90 comprises a pair of buckle-type connecting pin 62,64, bolt (or other securing member) 70,72 and faraday's cage interface 73.Integrated EMI filter assemblies 90 is connected in bus 32 at least a portion of framework 71 of inverter system.Faraday's cage interface 73 is made up of framework 71, spring clip 75 and EMI filter card 80 at least.
Bolt 70,72 is as positive pole and negative terminal, and it can be connected the DC power supply (not shown) for example on the storage battery.Bolt 70,72 is connected on the buckle-type connecting pin 62,64, and can be used for bus 32 is fixed at least a portion of the framework 71 of inverter system.Bolt 70,72 provides the path that is used for from the direct current power of storage battery to buckle-type connecting pin 62,64. Bolt 70,72 also is fixed on buckle-type connecting pin 62,64 in the integrated EMI filter assemblies 90.In one embodiment, bolt 70,72 can be screwed into or snap in the buckle-type connecting pin 62,64.
Buckle-type connecting pin 62,64 receives the direct current input power from bolt 70,72, and the direct current input power is carried into bus 32, and bus 32 is connected on EMI iron core 30 and the inverter module (not shown).Buckle-type connecting pin 62 is fixed on bus 32 on the framework 71 with bolt 70.
Spring clip 75 is electrically connected to buckle-type connecting pin 62 on the Y capacitor 81 on the EMI filter card 80, and bus 32 is connected on the EMI filter card 80 of inverter system.Spring clip 75 be arranged on bus 32 below, and make EMI filter card 80 keep being close on the framework 71 of inverter system.
EMI filter card 80 can have a plurality of Y capacitors 81 mounted thereto.In one embodiment, can EMI filter card 80 be embodied as a kind of circuit board that Y capacitor 81 is installed on it.Y capacitor 81 is connected between accumulator terminal and the ground.EMI filter card 80 can be passed through bolt 70 (and other possible securing member) and directly be fixed on the framework 71.Through EMI filter card 80 is integrated on the framework 71, can saves the lead 34 of Fig. 1, and between the framework 71 of EMI filter card 80 and inverter, provide short Low ESR to connect.
As stated, EMI filter card 81 can be through bolt 70 and other possible securing member and directly is fixed between framework 71 and the bus 32.At least the part of buckle-type connecting pin 62,64 also is enclosed in the spring clip 75 or by its encirclement.Because spring clip 75 and EMI filter card 81 are arranged between bus 32 and the framework 71, so framework 71, spring clip 75 has formed " faraday's cage interface " 73 with EMI filter card 81 around buckle-type connecting pin 62.The integrated EMI filter 90 (in the input of handover source) of realizing this faraday's cage interface 73 can reduce and/or prevent the EMI The noise that is associated with buckle-type connecting pin 62,64, and can reduce the EMI noise that radiates from connecting pin.But the EMI noise that faraday's cage interface 73 Direct Filtration and buckle-type connecting pin 62,64 are associated, thereby and help to reduce or prevent that the EMI noise is radiated in the inverter module 20 from buckle-type connecting pin 62,64.
Thereby, provide a kind of being used for bus 32 is connected to compactness on the inverter module 20, cheap low EMI noise connected system, it has the number of components that reduced and the reliability that has improved.This will reduce also/or farthest reduce the cost and the size of inverter module 20.In addition, on the DC link of the big electric current of big voltage that is inverter module 20 power supplies, will reduce the EMl noise, and reduce the EMI noise that radiates from connecting pin.
The details of the disclosed embodiments is described to be provided for and is made any technical staff's making in this area or use the present invention before.Various modification to these embodiment will be easy to understood by those of skill in the art, and in not breaking away from marrow of the present invention or scope, the General Principle that this paper limited can be applicable to other embodiment.Though recommended at least one typical embodiment in the preceding detailed description, will be appreciated that there is a large amount of modification in it.It should also be appreciated that this typical embodiment or these typical embodiment are example, and be not intended to limit by any way scope of the present invention, applicability or structure.On the contrary, preceding detailed description will provide a kind of guide easily that is used to realize this exemplary embodiments or these exemplary embodiments for those of skill in the art.
It should also be appreciated that in not breaking away from the scope of the present invention that Rights attached thereto requirement and its legal equivalents state and in the function of element and design, to carry out various variations.Thereby the present invention is not intended to be confined to the embodiment that this paper shows, scope and principle disclosed herein and novel characteristics are consistent the most widely but make it.Only if done special limiting the claim language, otherwise digital ordinal number, for example " first ", " second ", " 3rd " or the like just indicate the different single things in a plurality of things simply, and do not mean that any order or order.

Claims (18)

1. low noise inverter system, it comprises:
Be used for bus is connected to the connector on the inverter module, said connector comprises:
Be configured to receive input, and the noise contribution that can filter said input is to produce the filter assemblies of the input after filtering with noise contribution;
Be connected on the said connector, and be configured to receive the bus of the input after the said filtration; With
Be connected in the inverter module on the said connector through said bus, wherein, said inverter module is configured to and can receives the input signal after the said filtration from said bus, and produces alternating current output signal.
2. system according to claim 1 is characterized in that, said filter assemblies comprises:
Be connected in the connecting pin on the said bus, wherein, said connecting pin is configured to receive said input with noise contribution; With
The faraday's cage interface that is provided with around said connecting pin at least in part, it is used for reducing the noise contribution that is associated with said input.
3. system according to claim 2 is characterized in that said inverter module comprises framework, and said bus is connected on the said framework through said filter assemblies.
4. system according to claim 3 is characterized in that, said faraday's cage interface comprises:
Surround the spring clip of at least a portion of said connecting pin at least in part; With
Be fixed on the filter card between said framework and the said bus.
5. system according to claim 4 is characterized in that, said spring clip and said filter card are arranged between said bus and the said framework, and said bus is connected at least a portion of said framework.
6. system according to claim 5 is characterized in that, said filter card comprises:
The circuit board of a plurality of capacitors is installed on it, and wherein, said spring clip electrically connects said connecting pin on said circuit board.
7. system according to claim 4 is characterized in that, said filter assemblies also comprises:
Be configured to and can said input be connected on the said connecting pin, and said bus is fixed on the bolt at least a portion of said framework.
8. system according to claim 7 is characterized in that, said spring clip and said bolt are fixed on said filter card on the said framework.
9. system according to claim 1 is characterized in that, said input is the direct current input from the DC power supply with EMI noise contribution.
10. system according to claim 1 is characterized in that, said connector also comprises:
Be connected in the inductive iron core on the said inverter module through said bus, wherein, said inductive iron core be arranged on said bus at least a portion around, and said inductive iron core is connected on the said filter assemblies through said bus.
11. a filter assemblies that is used for aforementioned each described inverter system of claim comprises:
Connecting pin, it is configured to receive the input with noise contribution; With
At least in part around said connecting pin and faraday's cage interface of being provided with, it is in order to reducing the noise contribution that is associated with said input, and is configured to produce the input after the filtration.
12. filter assemblies according to claim 11 is characterized in that, said faraday's cage interface comprises:
Surround the spring clip of at least a portion of said connecting pin at least in part; With
Filter card.
13. filter assemblies according to claim 12 is characterized in that, said filter card comprises:
The circuit board of a plurality of capacitors is installed on it, and wherein said spring clip electrically connects said connecting pin on said circuit board.
14. filter assemblies according to claim 12 is characterized in that, said filter assemblies also comprises:
Be configured to and can said input be connected to the bolt on the said connecting pin.
15. filter assemblies according to claim 11 is characterized in that, said input is the direct current input from the DC power supply with EMI noise contribution.
16. filter assemblies according to claim 14 is characterized in that, said filter assemblies is suitable for bus is connected at least a portion of framework of inverter module.
17. filter assemblies according to claim 16 is characterized in that, said filter card is arranged between said framework and the said bus, and said filter card is fixed on the said framework through said spring clip and said bolt.
18. filter assemblies according to claim 17 is characterized in that, said bolt is configured to and can said bus be fixed on the part of said at least framework.
CN2006800401956A 2005-09-02 2006-09-01 Snap in high power, high current connector with integrated emi filtering Expired - Fee Related CN101523684B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/218,367 2005-09-02
US11/218,367 US7525825B2 (en) 2005-09-02 2005-09-02 Snap in high power, high current connector with integrated EMI filtering
PCT/US2006/034058 WO2007027913A2 (en) 2005-09-02 2006-09-01 Snap in high power, high current connector with integrated emi filtering

Publications (2)

Publication Number Publication Date
CN101523684A CN101523684A (en) 2009-09-02
CN101523684B true CN101523684B (en) 2012-04-04

Family

ID=37809520

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006800401956A Expired - Fee Related CN101523684B (en) 2005-09-02 2006-09-01 Snap in high power, high current connector with integrated emi filtering

Country Status (4)

Country Link
US (1) US7525825B2 (en)
CN (1) CN101523684B (en)
DE (1) DE112006002319T5 (en)
WO (1) WO2007027913A2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5107114B2 (en) * 2008-03-28 2012-12-26 三菱重工業株式会社 Inverter-integrated electric compressor
US8057239B2 (en) * 2009-04-29 2011-11-15 GM Global Technology Operations LLC Power module assembly
US8384239B2 (en) * 2009-07-16 2013-02-26 GM Global Technology Operations LLC DC source assemblies
US8523576B2 (en) * 2011-10-24 2013-09-03 GM Global Technology Operations LLC Connector for coupling an electric motor to a power source
DE102013216703B4 (en) * 2013-08-22 2021-04-29 Valeo Siemens Eautomotive Germany Gmbh Unit for interference suppression of a pulse inverter
US9976507B2 (en) * 2015-06-20 2018-05-22 General Electric Company Systems for filtering a voltage signal
DE102016220070A1 (en) * 2016-10-14 2018-04-19 Robert Bosch Gmbh Suppression system, drive and hand tool
US10463863B2 (en) 2016-10-28 2019-11-05 General Electric Company High current flexible feedthrough for use with a power converter
US9974201B1 (en) 2016-10-28 2018-05-15 General Electric Company High power feedthrough for use with a high frequency power converter
WO2019005730A1 (en) * 2017-06-26 2019-01-03 Borgwarner Inc. Throttle for electrically-driven charging devices
DE102018212192A1 (en) 2018-07-23 2020-01-23 Audi Ag Measuring device for current measurement, circuit arrangement, filter element and motor vehicle
US11764748B2 (en) * 2020-09-25 2023-09-19 Cummins Inc. Modular electromagnetic interference filter inductor core

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5491370A (en) * 1994-01-28 1996-02-13 General Motors Corporation Integrated AC machine
US6078117A (en) * 1997-08-27 2000-06-20 Nartron Corporation End cap assembly and electrical motor utilizing same
US6538902B1 (en) * 1998-12-30 2003-03-25 Nortel Networks Limited Modem shelf
CN2567863Y (en) * 2002-03-08 2003-08-20 珠海格力电器股份有限公司 Electromagneitc compatible filter circuit of frequency conversion air conditioner

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6326704B1 (en) * 1995-06-07 2001-12-04 Automotive Technologies International Inc. Vehicle electrical system
US5552976A (en) * 1994-06-10 1996-09-03 Northrop Grumman Corporation EMI filter topology for power inverters
JP4314513B2 (en) * 2003-06-18 2009-08-19 アイシン・エィ・ダブリュ株式会社 Inverter noise remover
US7205860B2 (en) * 2003-12-09 2007-04-17 Advanced Magnetic Solutions Limited Electromagnetic interface module for balanced data communication
GB2416928A (en) * 2004-08-02 2006-02-08 Itt Mfg Enterprises Inc Carrier for compression chip

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5491370A (en) * 1994-01-28 1996-02-13 General Motors Corporation Integrated AC machine
US6078117A (en) * 1997-08-27 2000-06-20 Nartron Corporation End cap assembly and electrical motor utilizing same
US6538902B1 (en) * 1998-12-30 2003-03-25 Nortel Networks Limited Modem shelf
CN2567863Y (en) * 2002-03-08 2003-08-20 珠海格力电器股份有限公司 Electromagneitc compatible filter circuit of frequency conversion air conditioner

Also Published As

Publication number Publication date
WO2007027913A2 (en) 2007-03-08
DE112006002319T5 (en) 2008-07-10
CN101523684A (en) 2009-09-02
WO2007027913A3 (en) 2009-05-22
US20070052500A1 (en) 2007-03-08
US7525825B2 (en) 2009-04-28

Similar Documents

Publication Publication Date Title
CN101523684B (en) Snap in high power, high current connector with integrated emi filtering
CN107742976B (en) Filter and vehicle
US10205429B2 (en) Output-noise reduction device
CN107040229B (en) Filter assembly for a high voltage connector assembly and high voltage connector assembly
CN111430650B (en) Battery pack and vehicle
EP3018811B1 (en) Output noise reducing device
US9472335B2 (en) Transformer module for electric vehicle
US11257616B2 (en) Power conversion device and high-voltage noise filter
EP3057216A1 (en) Dc-dc converter device
US9468120B2 (en) Housing, bobbin, and electronic device
US20190068029A1 (en) Interference suppression apparatus, electronic subassembly, and use of an interference suppression apparatus
CN113938107A (en) DC end multistage filtering structure, motor controller and vehicle
KR102572440B1 (en) DC capacitors and discharge resistors of vehicle inverter
US11798749B2 (en) Power converter including filter circuit device to improve a noise suppression function
CN212324070U (en) Power filter and electronic equipment
KR101664667B1 (en) Output terminal with improved emc feature
CN110600231A (en) Protection device for series filter reactor
CN219591779U (en) Electric connector and vehicle
CN218301361U (en) Filter with low cost and universality function
KR20140004847A (en) Bobbin structure provided with terminal block and magnetic body using the same
CN218526296U (en) Filter of hybrid electric vehicle motor controller and hybrid electric vehicle
CN219322156U (en) Personal care low-power wireless charging travel box
CN220653342U (en) High-voltage filter
CN210405842U (en) Controller
CN214799293U (en) Multi-stage anti-interference device for motor controller

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120404

Termination date: 20200901

CF01 Termination of patent right due to non-payment of annual fee